Further assessments and tests may be needed to establish the cause of the problem. While it can be uncomfortable, a DRE is critical to identifying illnesses such as benign prostatic hyperplasia BPHprostatitis infection of the prostatehaemorrhoids, anal fissures, prostate cancer and anal and rectal cancers. Symptoms Possible causes Dark or black poo bleeding in the stomach or gut gastrointestinal tract — can be from injury or a side effect of blood-thinning medication like warfarin or aspirin Dark blood or poo with tummy pain or cramps stomach ulcerdiverticular disease and diverticulitis Dark blood without pain blood-thinning medication like warfarin or aspirin, angiodysplasia broken blood vessels in the gut. Blood mixed into the bowel motion may also indicate bowel cancer. We considered twenty four studies for inclusion in this review. Anal bleeding may be caused by haemorrhoids or anal fissures ,or serious diseases like bowel cancer. This type of bleeding is usually caused by haemorrhoids piles or anal fissure.
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What is Rectal Bleeding?
Anal bleeding may be caused by haemorrhoids or anal fissures ,or serious diseases like bowel cancer. Bright red blood and pain when pooing — often after constipation. Skip to main content. However, this result should be interpreted with caution due to small study size and poor study quality. Ask your GP practice for an urgent appointment.